forked from OSchip/llvm-project
140 lines
3.6 KiB
LLVM
140 lines
3.6 KiB
LLVM
; RUN: opt -scalarrepl -S < %s | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-unknown-linux-gnu"
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declare void @llvm.lifetime.start(i64, i8*)
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declare void @llvm.lifetime.end(i64, i8*)
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%t1 = type {i32, i32, i32}
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define void @test1() {
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; CHECK: @test1
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%A = alloca %t1
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%A1 = getelementptr %t1* %A, i32 0, i32 0
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%A2 = getelementptr %t1* %A, i32 0, i32 1
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%A3 = getelementptr %t1* %A, i32 0, i32 2
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%B = bitcast i32* %A1 to i8*
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store i32 0, i32* %A1
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call void @llvm.lifetime.start(i64 -1, i8* %B)
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ret void
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; CHECK-NEXT: ret void
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}
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define void @test2() {
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; CHECK: @test2
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%A = alloca %t1
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%A1 = getelementptr %t1* %A, i32 0, i32 0
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%A2 = getelementptr %t1* %A, i32 0, i32 1
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%A3 = getelementptr %t1* %A, i32 0, i32 2
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%B = bitcast i32* %A2 to i8*
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store i32 0, i32* %A2
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call void @llvm.lifetime.start(i64 -1, i8* %B)
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%C = load i32* %A2
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ret void
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; CHECK: ret void
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}
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define void @test3() {
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; CHECK: @test3
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%A = alloca %t1
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%A1 = getelementptr %t1* %A, i32 0, i32 0
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%A2 = getelementptr %t1* %A, i32 0, i32 1
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%A3 = getelementptr %t1* %A, i32 0, i32 2
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%B = bitcast i32* %A2 to i8*
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store i32 0, i32* %A2
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call void @llvm.lifetime.start(i64 6, i8* %B)
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%C = load i32* %A2
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ret void
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; CHECK-NEXT: ret void
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}
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define void @test4() {
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; CHECK: @test4
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%A = alloca %t1
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%A1 = getelementptr %t1* %A, i32 0, i32 0
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%A2 = getelementptr %t1* %A, i32 0, i32 1
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%A3 = getelementptr %t1* %A, i32 0, i32 2
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%B = bitcast i32* %A2 to i8*
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store i32 0, i32* %A2
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call void @llvm.lifetime.start(i64 1, i8* %B)
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%C = load i32* %A2
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ret void
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; CHECK-NEXT: ret void
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}
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%t2 = type {i32, [4 x i8], i32}
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define void @test5() {
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; CHECK: @test5
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%A = alloca %t2
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; CHECK: alloca{{.*}}i8
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; CHECK: alloca{{.*}}i8
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; CHECK: alloca{{.*}}i8
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%A21 = getelementptr %t2* %A, i32 0, i32 1, i32 0
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%A22 = getelementptr %t2* %A, i32 0, i32 1, i32 1
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%A23 = getelementptr %t2* %A, i32 0, i32 1, i32 2
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%A24 = getelementptr %t2* %A, i32 0, i32 1, i32 3
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; CHECK-NOT: store i8 1
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store i8 1, i8* %A21
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store i8 2, i8* %A22
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store i8 3, i8* %A23
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store i8 4, i8* %A24
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%A1 = getelementptr %t2* %A, i32 0, i32 0
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%A2 = getelementptr %t2* %A, i32 0, i32 1, i32 1
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%A3 = getelementptr %t2* %A, i32 0, i32 2
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store i8 0, i8* %A2
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call void @llvm.lifetime.start(i64 5, i8* %A2)
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; CHECK: llvm.lifetime{{.*}}i64 1
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; CHECK: llvm.lifetime{{.*}}i64 1
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; CHECK: llvm.lifetime{{.*}}i64 1
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%C = load i8* %A2
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ret void
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}
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%t3 = type {[4 x i16], [4 x i8]}
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define void @test6() {
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; CHECK: @test6
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%A = alloca %t3
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; CHECK: alloca i8
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; CHECK: alloca i8
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; CHECK: alloca i8
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%A11 = getelementptr %t3* %A, i32 0, i32 0, i32 0
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%A12 = getelementptr %t3* %A, i32 0, i32 0, i32 1
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%A13 = getelementptr %t3* %A, i32 0, i32 0, i32 2
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%A14 = getelementptr %t3* %A, i32 0, i32 0, i32 3
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store i16 11, i16* %A11
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store i16 12, i16* %A12
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store i16 13, i16* %A13
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store i16 14, i16* %A14
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; CHECK-NOT: store i16 11
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; CHECK-NOT: store i16 12
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; CHECK-NOT: store i16 13
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; CHECK-NOT: store i16 14
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%A21 = getelementptr %t3* %A, i32 0, i32 1, i32 0
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%A22 = getelementptr %t3* %A, i32 0, i32 1, i32 1
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%A23 = getelementptr %t3* %A, i32 0, i32 1, i32 2
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%A24 = getelementptr %t3* %A, i32 0, i32 1, i32 3
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store i8 21, i8* %A21
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store i8 22, i8* %A22
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store i8 23, i8* %A23
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store i8 24, i8* %A24
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; CHECK: store i8 21
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; CHECK: store i8 22
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; CHECK: store i8 23
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; CHECK-NOT: store i8 24
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%B = bitcast i16* %A13 to i8*
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call void @llvm.lifetime.start(i64 7, i8* %B)
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; CHECK: lifetime.start{{.*}}i64 1
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; CHECK: lifetime.start{{.*}}i64 1
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; CHECK: lifetime.start{{.*}}i64 1
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ret void
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}
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